Compost bin



FIG. 1 is a perspective view of a compost bin showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the compost bin and form no part of the claimed design. 

CLAIM I claim the ornamental design for a compost bin, as shown and described. 